B120B Code - Passenger Seat Back Temperature Sensor
Quick Answer
The Seat Control Module E (SCME) monitors the Passenger Seat Back Temperature Sensor. Common causes include Faulty Passenger Seat Back Temperature Sensor, Passenger Seat Back Temperature Sensor harness is open or shorted, Passenger Seat Back Temperature Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B120B indicates Passenger Seat Back Temperature Sensor.
- Common causes
- Common causes include Faulty Passenger Seat Back Temperature Sensor, Passenger Seat Back Temperature Sensor harness is open or shorted, Passenger Seat Back Temperature Sensor circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B120B Description
What are the Possible Causes of the DTC B120B?
- Faulty Passenger Seat Back Temperature Sensor
- Passenger Seat Back Temperature Sensor harness is open or shorted
- Passenger Seat Back Temperature Sensor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B120B?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B120B:98 Passenger Seat Back Temperature Sensor Component or System Over Temperature
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B120B code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Get the B120B code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B120B Ford — Passenger Seat Back Temperature Sensor
- B120B Lincoln — Passenger Seat Back Temperature Sensor
- B120B Mercury — Passenger Seat Back Temperature Sensor
Frequently Asked Questions about B120B Code
1. What are the common symptoms of OBDII code B120B (Passenger Seat Back Temperature Sensor)?
- The common symptoms include inaccurate temperature readings on the passenger seat back, malfunctioning climate control system, and potential activation of the airbag warning light.
2. What are the possible causes of OBDII code B120B?
- The code B120B typically indicates a faulty passenger seat back temperature sensor, damaged wiring or connections related to the sensor, or a problem with the climate control module.
3. How can I diagnose the issue related to OBDII code B120B?
- To diagnose the issue, you can use an OBDII scanner to read the code, visually inspect the wiring and sensor connections for any damage, and perform a sensor resistance test to check its functionality.
4. Can OBDII code B120B be fixed without professional help?
- Depending on your automotive knowledge and skills, you may be able to fix the issue related to OBDII code B120B by replacing the faulty sensor or repairing damaged wiring. However, seeking professional help is recommended for accurate diagnosis and repair.
5. How much does it typically cost to repair OBDII code B120B?
- The cost of repairing OBDII code B120B can vary depending on the underlying cause, the cost of parts, and labor rates. On average, the repair cost can range from $100 to $300, but this is just an estimate.
6. Are there any temporary fixes for OBDII code B120B?
- There are usually no recommended temporary fixes for OBDII code B120B, as it is essential to address the root cause of the issue to ensure proper functioning of the passenger seat back temperature sensor.
7. Can OBDII code B120B affect the overall performance of the vehicle?
- While OBDII code B120B is related to the passenger seat back temperature sensor and climate control system, it may not directly impact the overall performance of the vehicle. However, it can affect passenger comfort and safety.
8. Is it safe to drive with OBDII code B120B present?
- It is generally safe to drive with OBDII code B120B present, but it is recommended to address the issue promptly to avoid potential issues with the climate control system and passenger safety features.
9. How long does it typically take to repair OBDII code B120B?
- The repair time for OBDII code B120B can vary depending on the complexity of the issue and the availability of parts. In most cases, a skilled mechanic can complete the repair within a few hours to a day.
10. Can OBDII code B120B reappear after being repaired?
- If the root cause of OBDII code B120B is not properly addressed during repair, there is a possibility that the code may reappear. It is crucial to ensure a thorough diagnosis and repair to prevent recurrence.
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